How long do petunias grow in warm southern ca climate? (1,2,3 years)?

Answers:
They don't have to die. They can reseed themselves. Keep them fertilized, watered and pick off the dead blooms. Make sure that you have good, loose soil that is replenished occasionally and lightly mulched. Have fun!

Other answers:

Starting a landscape consulting business: What do homeowers want to know about their landscapes?

Do English daisies grow wild in England?

Toro sprinkelrs heads do not rotate, i installed 4 of them, they pop up and rotaing at 40 degree and stop.?

Do you believe a john deere riding mower is the best brand of mower on the market if so why?

How can I keep ants off my lillies?

I put in new sod a few weeks ago and a lot is already dying. Is it bad sod or something else?

I've heard that certain mosses can actually BENEFIT your garden.?

when is the best time to plant flowering trees in idaho?

What is the black liner around landscape areas that keep mulch from wash away call?